Purple Radish Microgreen Seeds
Fast-growing radish seed for commercial microgreen production. Purple radish microgreens produce colourful stems, tender leaves and a crisp, peppery flavour. Their appearance makes them a useful choice for microgreen farms, market gardeners and growers supplying restaurants, retailers and fresh produce customers.
Purple radish microgreens are commonly harvested approximately 7–12 days after sowing, depending on the growing system and conditions. They can be grown in standard production trays using soil, coir, hemp mats or another suitable microgreen medium. Stem and leaf colour may vary with the seed lot, light and growing conditions.
Purple Radish Microgreen Seed Details
| Botanical name | Raphanus sativus |
|---|---|
| Microgreen type | Purple radish |
| Flavour | Crisp and peppery |
| Pre-soak | Not normally required |
| Starting sowing rate | Approximately 12 g per 10 × 10 inch tray, or 24 g per 10 × 20 inch tray; adjust to suit your medium and production method |
| Growing medium | Soil, coir, hemp growing mats or other suitable microgreen media |
| Suggested germination temperature | Approximately 18–25°C |
| Germination | Approximately 2–3 days under suitable conditions |
| Typical harvest | Approximately 7–12 days after sowing |
| Supply | Available for growers in Singapore and other eligible international destinations, subject to shipping and import requirements |
Why Grow Purple Radish Microgreens?
- Short crop cycle suited to regular tray rotations and repeat harvests.
- Colourful stems add contrast to mixed microgreen packs and plated dishes.
- Peppery flavour suited to restaurants and fresh produce customers.
- No pre-soaking normally required, simplifying preparation between sowings.
- Compatible with soil and suitable soilless production media.
Growing Purple Radish Microgreens for Commercial Harvest
Use approximately 24 g of seed per standard 10 × 20 inch tray as an initial trial rate. Fine-tune the rate for your tray dimensions, medium, airflow and target harvest size. Aim for even coverage without dense piles of overlapping seed.
- Prepare trays. Fill with an evenly moistened growing medium, or prepare your chosen growing mat according to the manufacturer’s directions.
- Sow evenly. Distribute seed across the surface and press gently for contact with the medium. Pre-soaking is not normally required.
- Cover for germination. Mist as needed, then cover or stack trays according to your production method. A light tray weight may be used if it suits your system.
- Manage moisture. Keep the medium moist without leaving it waterlogged. Germination commonly takes approximately 2–3 days.
- Provide light and airflow. Uncover established seedlings and move trays into suitable natural or artificial light. Maintain ventilation and monitor moisture closely.
- Harvest cleanly. Cut above the growing medium when the cotyledons have opened and the crop reaches your preferred size, commonly around 7–12 days after sowing.
Flavour & Culinary Uses
Purple radish microgreens have a fresh, peppery radish flavour. Their colourful stems and tender leaves work well as a restrained garnish on plated dishes and as an addition to salads, sandwiches, wraps and mixed microgreen packs.
Supply for Singapore and International Growers
Seedmart supplies microgreen seed to commercial growers, market gardeners and produce businesses. This product is available to customers in Singapore and may be supplied to other countries where shipping and import conditions allow. International order requirements vary by destination and quantity; contact us for bulk orders or export enquiries.
Frequently Asked Questions
How long do purple radish microgreens take to grow?
They are commonly harvested approximately 7–12 days after sowing. Timing depends on temperature, light, moisture and the size required by your customers.
How much seed should I sow per tray?
Approximately 12 g per 10 × 10 inch tray, or 24 g per 10 × 20 inch tray, is a useful starting point. Adjust the rate after trialling it in your own production system.
Does the seed need to be soaked?
No. Pre-soaking is not normally required for radish microgreen seed.
When should I harvest purple radish microgreens?
Harvest when the cotyledons have opened and the crop has reached your preferred size. You can harvest before or as the first true leaves begin to appear, depending on your market.
Can I grow these microgreens without soil?
Yes. Suitable soilless media include coir and purpose-made hemp growing mats.
Will the entire microgreen be dark purple?
Not necessarily. Purple tones may be most noticeable in the stems, while leaves can be green or purple-tinged. Colour varies with the seed lot and growing conditions.
Do you supply growers outside Singapore?
Yes. Seedmart can supply eligible international destinations, subject to the destination country’s import requirements and the documentation needed for the order. Contact us with your country and required quantity so we can assess the available shipping pathway.






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